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<div class="header">
  <div class="summary">
<a href="#groups">Modules</a> &#124;
<a href="#nested-classes">Classes</a> &#124;
<a href="#func-members">Functions</a>  </div>
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<div class="title">Register variables</div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Definition of <a class="el" href="structregvar__t.html" title="A register variable allows the user to rename a general processor register to a meaningful name...">regvar_t</a> and related functions. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Modules</h2></td></tr>
<tr class="memitem:group___r_e_g_v_a_r___e_r_r_o_r__"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_e_g_v_a_r___e_r_r_o_r__.html">Register variable error codes</a></td></tr>
<tr class="memdesc:group___r_e_g_v_a_r___e_r_r_o_r__"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return values for functions in described in <a class="el" href="group__regvar.html">Register variables</a>. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structregvar__t.html">regvar_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">A register variable allows the user to rename a general processor register to a meaningful name.  <a href="structregvar__t.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga5f77d2c231f8faeb5939be2bc8e2a298"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#ga5f77d2c231f8faeb5939be2bc8e2a298">add_regvar</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea1, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea2, const char *canon, const char *user, const char *cmt)</td></tr>
<tr class="memdesc:ga5f77d2c231f8faeb5939be2bc8e2a298"><td class="mdescLeft">&#160;</td><td class="mdescRight">Define a register variable.  <a href="#ga5f77d2c231f8faeb5939be2bc8e2a298">More...</a><br /></td></tr>
<tr class="separator:ga5f77d2c231f8faeb5939be2bc8e2a298"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7125fa606d55badfcfb905bf0a40e2e9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> <a class="el" href="structregvar__t.html">regvar_t</a> *<a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#ga7125fa606d55badfcfb905bf0a40e2e9">find_regvar</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea1, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea2, const char *canon, const char *user)</td></tr>
<tr class="memdesc:ga7125fa606d55badfcfb905bf0a40e2e9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find a register variable definition (powerful version).  <a href="#ga7125fa606d55badfcfb905bf0a40e2e9">More...</a><br /></td></tr>
<tr class="separator:ga7125fa606d55badfcfb905bf0a40e2e9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gad1a35ab3f412436bc8e42980ebf119dd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structregvar__t.html">regvar_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#gad1a35ab3f412436bc8e42980ebf119dd">find_regvar</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea, const char *canon)</td></tr>
<tr class="memdesc:gad1a35ab3f412436bc8e42980ebf119dd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Find a register variable definition.  <a href="#gad1a35ab3f412436bc8e42980ebf119dd">More...</a><br /></td></tr>
<tr class="separator:gad1a35ab3f412436bc8e42980ebf119dd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga28f5e5e05bd45253e8e546e8d7048e44"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#ga28f5e5e05bd45253e8e546e8d7048e44">rename_regvar</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="structregvar__t.html">regvar_t</a> *v, const char *user)</td></tr>
<tr class="memdesc:ga28f5e5e05bd45253e8e546e8d7048e44"><td class="mdescLeft">&#160;</td><td class="mdescRight">Rename a register variable.  <a href="#ga28f5e5e05bd45253e8e546e8d7048e44">More...</a><br /></td></tr>
<tr class="separator:ga28f5e5e05bd45253e8e546e8d7048e44"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga864c220a61416541dcbc6b0d35353b5d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#ga864c220a61416541dcbc6b0d35353b5d">set_regvar_cmt</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="structregvar__t.html">regvar_t</a> *v, const char *cmt)</td></tr>
<tr class="memdesc:ga864c220a61416541dcbc6b0d35353b5d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set comment for a register variable.  <a href="#ga864c220a61416541dcbc6b0d35353b5d">More...</a><br /></td></tr>
<tr class="separator:ga864c220a61416541dcbc6b0d35353b5d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae28b200b6ffb1dfe1dad1683ac87d112"><td class="memItemLeft" align="right" valign="top"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__regvar.html#gae28b200b6ffb1dfe1dad1683ac87d112">del_regvar</a> (<a class="el" href="classfunc__t.html">func_t</a> *pfn, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea1, <a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a> ea2, const char *canon)</td></tr>
<tr class="memdesc:gae28b200b6ffb1dfe1dad1683ac87d112"><td class="mdescLeft">&#160;</td><td class="mdescRight">Delete a register variable definition.  <a href="#gae28b200b6ffb1dfe1dad1683ac87d112">More...</a><br /></td></tr>
<tr class="separator:gae28b200b6ffb1dfe1dad1683ac87d112"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga5f77d2c231f8faeb5939be2bc8e2a298"></a>
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      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a> add_regvar </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>canon</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>user</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>cmt</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Define a register variable. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in which the definition will be created </td></tr>
    <tr><td class="paramname">ea1,ea2</td><td>range of addresses within the function where the definition will be used </td></tr>
    <tr><td class="paramname">canon</td><td>name of a general register </td></tr>
    <tr><td class="paramname">user</td><td>user-defined name for the register </td></tr>
    <tr><td class="paramname">cmt</td><td>comment for the definition </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="group___r_e_g_v_a_r___e_r_r_o_r__.html">Register variable error codes</a> </dd></dl>

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<a class="anchor" id="ga7125fa606d55badfcfb905bf0a40e2e9"></a>
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          <td class="memname"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> <a class="el" href="structregvar__t.html">regvar_t</a>* <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a> find_regvar </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>canon</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>user</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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</div><div class="memdoc">

<p>Find a register variable definition (powerful version). </p>
<p>One of 'canon' and 'user' should be NULL. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in question </td></tr>
    <tr><td class="paramname">ea1,ea2</td><td>range of addresses to search. ea1==BADADDR means the entire function </td></tr>
    <tr><td class="paramname">canon</td><td>name of a general register </td></tr>
    <tr><td class="paramname">user</td><td>user-defined name for the register </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL-not found, otherwise ptr to <a class="el" href="structregvar__t.html" title="A register variable allows the user to rename a general processor register to a meaningful name...">regvar_t</a> </dd></dl>

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<table class="mlabels">
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  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="structregvar__t.html">regvar_t</a>* find_regvar </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>canon</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span>  </td>
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<p>Find a register variable definition. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in question </td></tr>
    <tr><td class="paramname">ea</td><td>current address </td></tr>
    <tr><td class="paramname">canon</td><td>name of a general register </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL-not found, otherwise ptr to <a class="el" href="structregvar__t.html" title="A register variable allows the user to rename a general processor register to a meaningful name...">regvar_t</a> </dd></dl>

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<a class="anchor" id="ga28f5e5e05bd45253e8e546e8d7048e44"></a>
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a> rename_regvar </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="structregvar__t.html">regvar_t</a> *&#160;</td>
          <td class="paramname"><em>v</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>user</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Rename a register variable. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in question </td></tr>
    <tr><td class="paramname">v</td><td>variable to rename </td></tr>
    <tr><td class="paramname">user</td><td>new user-defined name for the register </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="group___r_e_g_v_a_r___e_r_r_o_r__.html">Register variable error codes</a> </dd></dl>

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          <td class="memname"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a> set_regvar_cmt </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="structregvar__t.html">regvar_t</a> *&#160;</td>
          <td class="paramname"><em>v</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>cmt</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Set comment for a register variable. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in question </td></tr>
    <tr><td class="paramname">v</td><td>variable to rename </td></tr>
    <tr><td class="paramname">cmt</td><td>new comment </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="group___r_e_g_v_a_r___e_r_r_o_r__.html">Register variable error codes</a> </dd></dl>

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          <td class="memname"><a class="el" href="pro_8h.html#a8ddba56b40c4be92718f8059abf51147">idaman</a> int <a class="el" href="pro_8h.html#a176294e75f953787714b9d08ffa89adf">ida_export</a> del_regvar </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classfunc__t.html">func_t</a> *&#160;</td>
          <td class="paramname"><em>pfn</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="pro_8h.html#a7b0aeaed04e477c02cf8ea3452002d1a">ea_t</a>&#160;</td>
          <td class="paramname"><em>ea1</em>, </td>
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          <td class="paramname"><em>ea2</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>canon</em>&#160;</td>
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          <td>)</td>
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<p>Delete a register variable definition. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pfn</td><td>function in question </td></tr>
    <tr><td class="paramname">ea1,ea2</td><td>range of addresses within the function where the definition holds </td></tr>
    <tr><td class="paramname">canon</td><td>name of a general register </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="group___r_e_g_v_a_r___e_r_r_o_r__.html">Register variable error codes</a> </dd></dl>

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